<template>
 <div class="app-container">
   <el-form :inline="true" size="mini">
    <el-form-item label="菜单名称：">
    <el-input v-model.trim="query.name"></el-input>
    </el-form-item>
    <el-form-item>
    <el-button icon='el-icon-search' type="primary" @click="fetchData">查询</el-button>
    <el-button icon='el-icon-refresh' class="filter-item" @click="reload">重置</el-button>
    <el-button type="primary" size="mini" icon="el-icon-circle-plus-outline"
   @click="handleAdd(0)">新增</el-button>
    </el-form-item>
   </el-form>
 <!-- 数据列表 :data 绑定渲染的数据, border 纵向边框 -->
 <!-- 渲染树形数据时，必须要指定 row-key, list集合中的 id属性 -->
 <el-table
 :data="list"
 row-key="id"
 border
 highlight-current-row
 style="width: 100%">
 <!-- type="index"获取索引值，从1开始 ，label显示标题，prop 数据字段名，width列宽 -->
 <el-table-column align="center" type="index" label="序号" width="60"></el-table-column>
 <el-table-column align="left" prop="name" label="名称" ></el-table-column>
 <el-table-column align="center" prop="url" label="请求地址" ></el-table-column>
 <el-table-column align="center" prop="code" label="权限标识" ></el-table-column>
 <el-table-column align="center" prop="type" label="类型" >
 <template slot-scope="scope">
 <span v-if="scope.row.type === 1">目录</span>
 <span v-if="scope.row.type === 2">菜单</span>
 <span v-if="scope.row.type === 3">按钮</span>
 </template>
 </el-table-column>
 <el-table-column align="center" prop="code" label="图标" >
 <template slot-scope="scope">
 <i :class="scope.row.icon" />
 </template>
 </el-table-column>
 <el-table-column align="center" prop="sort" label="排序" ></el-table-column>
 <el-table-column align="center" label="操作" width="260">
 <template slot-scope="scope">
  <!-- //条件区域参数传0
 <el-button @click="handleAdd(0)" size="mini" type="primary"
icon="el-icon-circle-plus-outline" >新增</el-button> -->
<!-- 列表区域参数传菜单id -->
<el-button @click="handleAdd(scope.row.id)" size="mini" type="primary"
icon="el-icon-circle-plus-outline" >新增</el-button>
 <el-button @click="handleEdit(scope.row.id)" size="mini">编辑</el-button>
 <el-button @click="handleDelete(scope.row.id)" size="mini" type="danger" >删除</el-button>
 </template>
 </el-table-column>
 </el-table>
  <!-- 新增与编辑组件 -->
  <edit :title="edit.title" :visible="edit.visible"
  :formData="edit.formData" :remoteClose="remoteClose">
  </edit>
 </div>
</template>

<script>
import api from '@/api/menu'
import Edit from './edit'
export default {
  components: { Edit },
 data() {
 return {
 query: {}, // 查询条件
 list: [], // 列表数据

  edit: { // 子组件中引用
  title: '',
  visible: false,
  formData: {}
  }
 }
 },
 created() {
 this.fetchData()
 },
 methods: {
 fetchData() {
 api.getList(this.query).then(response => {
 this.list = response.data
 // console.log(this.list)
 })
 },
   //打开新增窗口
   handleAdd(id) {
   // id=0 是新增一级菜单，其他值是新增到此id下的作为子菜单
   this.edit.formData.parentId = id
   this.edit.visible = true
   this.edit.title = '新增'
   },
 // 编辑菜单
  handleEdit(id) {
  api.getById(id).then(response => {
  if(response.code === 20000) {
  this.edit.formData = response.data
  //设置标题
  this.edit.title = '编辑'
  this.edit.visible = true
  }
  })
  },
  // 删除
   handleDelete(id) {
   this.$confirm('确认删除当前节点与子节点记录吗？', '提示', {
   confirmButtonText: '确定',
   cancelButtonText: '取消',
   type: 'warning'
   }).then(() => {
   // 确认
   api.deleteById(id).then(response => {
   //提示信息
   this.$message({
   type: response.code===20000 ? 'success':'error',
   message: response.message
   })
   // 刷新列表
   this.fetchData()
   })
   }).catch(() => {
   // 取消删除，不理会
   })
   },
   // 重置 or 刷新当前页面
   reload() {
   this.query = {}
   this.fetchData()
   },
   // 触发关闭弹出的新增修改子组件窗口
    remoteClose() {
        this.edit.formData = {}
        this.edit.visible = false
        this.fetchData()
    },

 }
}
</script>

<style>
</style>
